1GIK

POKEWEED ANTIVIRAL PROTEIN FROM SEEDS

• PDB DOI: https://doi.org/10.2210/pdb1GIK/pdb

• Classification: HYDROLASE
• Organism(s): Phytolacca americana
• Mutation(s): No 


• Deposited: 2001-02-07 Released: 2003-09-30 
• Deposition Author(s): Zeng, Z.H., He, X.L., Li, H.M., Hu, Z., Wang, D.C.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.243 
• R-Value Work: 0.183 
• R-Value Observed: 0.183 

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors.

Macromolecule Content

• Total Structure Weight: 29.9 kDa 
• Atom Count: 2,689 
• Modelled Residue Count: 261 
• Deposited Residue Count: 261 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
ANTIVIRAL PROTEIN S	A	261	Phytolacca americana	Mutation(s): 0  EC: 3.2.2.22
UniProt
Find proteins for P23339 (Phytolacca americana) Explore P23339  Go to UniProtKB:  P23339

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
NAG	B [auth A], C [auth A], D [auth A]	2-acetamido-2-deoxy-beta-D-glucopyranose C8 H15 N O6 OVRNDRQMDRJTHS-FMDGEEDCSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 1.80 Å
• R-Value Free: 0.243 
• R-Value Work: 0.183 
• R-Value Observed: 0.183 
• Space Group: I 2 2 2

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 84.76	α = 90
b = 78.05	β = 90
c = 91.57	γ = 90

Software Package:

Software Name	Purpose
WEIS	data scaling
CCP4	data reduction
AMoRE	phasing
X-PLOR	refinement
WEIS	data reduction
CCP4	data scaling

Structure Validation

Entry History 

Deposition Data

• Released Date: 2003-09-30 
Deposition Author(s): Zeng, Z.H., He, X.L., Li, H.M., Hu, Z., Wang, D.C.

Revision History  

• Version 1.0: 2003-09-30
  Type: Initial release
  
• Version 1.1: 2008-04-26
  Changes: Version format compliance
• Version 1.2: 2011-07-13
  Changes: Non-polymer description, Version format compliance
• Version 1.3: 2017-10-04
  Changes: Refinement description
• Version 2.0: 2020-07-29
  Type: Remediation
  Reason: Carbohydrate remediation
  Changes: Advisory, Atomic model, Data collection, Derived calculations, Non-polymer description, Structure summary
• Version 2.1: 2023-08-09
  Changes: Data collection, Database references, Refinement description, Structure summary